CLAS physics database search results Measurement E216M726 CLAS12 Run Group A Krishna Chandra 2018 psi(p) dsigma/dpsi_pr Stat. error Syst. error deg mcbn/rad mcbn/rad mcbn/rad 18 0.138449 0.0128911 0.01612889 54 0.174425 0.0150788 0.01861563 90 0.151738 0.00870606 0.01203862 126 0.158545 0.00674244 0.01227148 162 0.165319 0.00802591 0.01587982 198 0.148987 0.00876004 0.01223932 234 0.179616 0.0108883 0.01630015 270 0.164132 0.00755874 0.01226578 306 0.0925065 0.0584685 0.03557664 342 0.141228 0.0104169 0.01447501